package com.cc.eduservice.controller;


import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.cc.R;
import com.cc.eduservice.entity.EduCourse;
import com.cc.eduservice.entity.EduTeacher;
import com.cc.eduservice.entity.vo.CourseInfoVo;
import com.cc.eduservice.entity.vo.CoursePublishVo;
import com.cc.eduservice.entity.vo.CourseQuery;
import com.cc.eduservice.service.EduCourseService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.*;

import java.util.List;

/**
 * <p>
 * 课程 前端控制器
 * </p>
 *
 * @author testjava
 * @since 2020-11-20
 */
@RestController
@RequestMapping("/eduservice/course")
//@CrossOrigin
public class EduCourseController {

    @Autowired
    private EduCourseService courseService;

    //查询课程列表信息  TODO 条件查询带分页
    @PostMapping("{current}/{limit}")
    public R getCourseList(@PathVariable long current, @PathVariable long limit,
                           @RequestBody(required = false) CourseQuery courseQuery){
        //创建page对象
        Page<EduCourse> page = new Page<>(current, limit);
        //构造条件
        QueryWrapper<EduCourse> wrapper = new QueryWrapper<>();
        //多条件组合查询
        String title = courseQuery.getTitle();
        String status = courseQuery.getStatus();
        //判断条件是否为空
        if(!StringUtils.isEmpty(title)){
            wrapper.like("title", title);
        }
        if(!StringUtils.isEmpty(status)){
            wrapper.eq("status", status);
        }
        //调用方法实现条件查询带分页
        courseService.page(page,wrapper);
        long total = page.getTotal();//总记录数
        List<EduCourse> list = page.getRecords();//数据list集合
        return R.ok().data("total",total).data("list",list);
    }


   //添加课程基本信息的方法
    @PostMapping("addCourseInfo")
    public R addCourseInfo(@RequestBody CourseInfoVo courseInfoVo){
        //返回添加之后的课程id，为了后面添加大纲使用
        String id=courseService.saveCourseInfo(courseInfoVo);
        return R.ok().data("courseId", id);
    }

    //根据课程id查询课程基本信息
    @GetMapping("getCourseInfo/{courseId}")
    public R getCourseInfo(@PathVariable String courseId){
        CourseInfoVo courseInfoVo = courseService.getCourseInfo(courseId);
        return R.ok().data("courseInfoVo",courseInfoVo);
    }

    //修改课程信息
    @PostMapping("updateCourseInfo")
    public R updateCourseInfo(@RequestBody CourseInfoVo courseInfoVo){
        courseService.updateCourseInfo(courseInfoVo);
        return R.ok();
    }

    //根据课程id查询最终发布课程信息
    @GetMapping("getPublishCourseInfo/{id}")
    public R getPublishCourseInfo(@PathVariable String id){
        CoursePublishVo coursePublishVo=courseService.publishCourseInfo(id);
        return R.ok().data("coursePublishVo", coursePublishVo);
    }

    //课程最终发布
    //修改课程状态
    @PostMapping("publishCourse/{id}")
    public R publishCourse(@PathVariable String id){
        EduCourse eduCourse = new EduCourse();
        eduCourse.setId(id);
        eduCourse.setStatus("Normal");//设置课程发布状态
        courseService.updateById(eduCourse);
        return R.ok();
    }

    //删除课程
    @DeleteMapping("{courseId}")
    public R deleteCourse(@PathVariable String courseId){
        courseService.removeCourse(courseId);
        return R.ok();
    }

}

